70CRU02 Datasheet, PDF (4/6 Pages) International Rectifier – Ultrafast Rectifier

70CRU02
Bulletin PD-20619 rev. B 02/02
180
170
160
150
DC
140
130
120 _{Square wave (D = 0.50)}
110 ^{Rated Vr applied}
100
90 _{see note (3)}
80
0 10 20 30 40 50 60
Average Forward Current - I _F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
80
If = 35A
70 Vrr = 100V
60
50
Tj = 125˚C
40
30
Tj = 25˚C
20
10
0
100
1000
di _F /dt (A/µs )
Fig. 7 - Typical Reverse Recovery vs. di _F /dt
50
40
30
RMS Limit
20
10
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
DC
0
0 10 20 30 40 50 60
Average Forward Current - I _F(AV)(A)
Fig. 6 - Forward Power Loss Characteristics
600
If = 35A
Vrr = 100V
500
400
Tj = 125˚C
300
200
Tj = 25˚C
100
0
100
1000
di _F /dt (A/µs )
Fig. 8 - Typical Stored Charge vs. di _F /dt
(3) Formula used: T_C = T_J - (Pd + Pd_REV) x R_thJC;
Pd = Forward Power Loss = I_F(AV) x V_FM @ (I_F(AV) / D) (see Fig. 6);
Pd_REV = Inverse Power Loss = V_R1 x I_R (1 - D); I_R @ V_R1 = rated V_R
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